diff options
| -rw-r--r-- | include/linux/vm_event_item.h | 1 | ||||
| -rw-r--r-- | mm/vmacache.c | 2 | ||||
| -rw-r--r-- | mm/vmstat.c | 1 |
3 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index 730334cdf037..9246d32dc973 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -90,6 +90,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, #ifdef CONFIG_DEBUG_VM_VMACACHE VMACACHE_FIND_CALLS, VMACACHE_FIND_HITS, + VMACACHE_FULL_FLUSHES, #endif NR_VM_EVENT_ITEMS }; diff --git a/mm/vmacache.c b/mm/vmacache.c index 9f25af825dec..b6e3662fe339 100644 --- a/mm/vmacache.c +++ b/mm/vmacache.c @@ -17,6 +17,8 @@ void vmacache_flush_all(struct mm_struct *mm) { struct task_struct *g, *p; + count_vm_vmacache_event(VMACACHE_FULL_FLUSHES); + /* * Single threaded tasks need not iterate the entire * list of process. We can avoid the flushing as well diff --git a/mm/vmstat.c b/mm/vmstat.c index b090e9e3d626..1284f89fca08 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -900,6 +900,7 @@ const char * const vmstat_text[] = { #ifdef CONFIG_DEBUG_VM_VMACACHE "vmacache_find_calls", "vmacache_find_hits", + "vmacache_full_flushes", #endif #endif /* CONFIG_VM_EVENTS_COUNTERS */ }; |